Pricipal Fullstack Engineer (Java,React,LLMs)

Principal Full-Stack Engineer

We are hiring a Principal Full-Stack Engineer to join one of the largest banking institutions in the U.S. – a highly complex, high‑impact environment where engineering decisions truly matter.

What you’ll be doing:

• Lead the design and development of scalable backend services in Java (Spring Boot)
• Build and optimize secure, high-performance APIs
• Contribute to and guide React-based frontend architecture
• Work hands‑on with LLM/AI technologies (Claude or similar), integrating them into real-world applications
• Drive best practices across code quality, architecture, and performance
• Mentor engineers and support UI developers in delivering high-quality solutions
• Partner with stakeholders to translate business needs into technical execution
• Contribute to system design discussions, code reviews, and continuous improvement

What we’re looking for:

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